Actuator



FIG. 1 is a perspective view of an actuator in accordance with our new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a right side elevational view thereof; the left side elevational view being a mirror image thereof;

FIG. 4 is a front elevational view thereof; and,

FIG. 5 is a rear elevational view thereof.

The broken lines in the Figures are for illustrative purposes only and form no part of the claimed design. 

The ornamental design for an actuator, as shown and described. 